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May 25th, 2009, 09:37 AM
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#1 |
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Regular
FFR Cobra and 05' GT vert
Join Date: Sep 2008
Posts: 165
 iTrader: 0 reviews
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Whats the highest compression ratio??
Whats the highest compression ratio that can be run on pump gas?
My car weighs about 2100 pounds, has a 4.10, will have aluminum heads.
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May 25th, 2009, 10:48 AM
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#2 |
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Hardcore Enthusiast
91 LX
13.7@101
Join Date: Oct 2008
Location: Norwalk OH
Posts: 1,426
iTrader: 1 reviews
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11:1? i think? correct me if i'm wrong
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May 25th, 2009, 11:13 AM
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#3 |
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MM Ninjas!
 
1990 Mustang LX
9.36@143 mph
Join Date: Jan 2006
Location: North Fond du Lac, Wisconsin
Posts: 11,375
 iTrader: 1 reviews
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93 octane with aluminum heads and the right cam can probably do 11.5:1 - 12:1. 11:1 will be safe.
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My daily driver has 16 cylinders and 4400hp @ 1000 rpm....  ***1988 Mustang GT - Stock....almost 
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May 25th, 2009, 11:44 AM
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#4 |
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Regular
FFR Cobra and 05' GT vert
Join Date: Sep 2008
Posts: 165
iTrader: 0 reviews
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Ok. Well, it figured my compression will actually be 10.69:1 with 58cc heads. I've decided on the canfield 195's for my head choice. I think they will work nicely.
If I go with the 54cc heads, this will bump the compression to around 11.2:1. This should be ok on 93 octance with a Jay allen camshaft?
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Go big or go home! |
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May 25th, 2009, 11:47 AM
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#5 |
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Hardcore Enthusiast
91 LX
13.7@101
Join Date: Oct 2008
Location: Norwalk OH
Posts: 1,426
iTrader: 1 reviews
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yes it will be ok. nice choice on heads..i am going to run them too. it sounds like you are making good choices on your engine build..good luck and keep us posted
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May 25th, 2009, 12:42 PM
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#6 | |
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MM Ninjas!
1990 Mustang LX
9.36@143 mph
Join Date: Jan 2006
Location: North Fond du Lac, Wisconsin
Posts: 11,375
iTrader: 1 reviews
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__________________
My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost
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May 25th, 2009, 12:48 PM
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#7 | |
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The Razor's Edge
Join Date: Sep 2007
Location: roanoke va
Posts: 4,474
iTrader: 0 reviews
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post more about this motor and car.....2100 lbs....
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founder of the FTN Club
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May 25th, 2009, 12:50 PM
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#8 | |
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MM Ninjas!
1990 Mustang LX
9.36@143 mph
Join Date: Jan 2006
Location: North Fond du Lac, Wisconsin
Posts: 11,375
iTrader: 1 reviews
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__________________
My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost
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May 25th, 2009, 01:08 PM
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#9 |
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Hardcore Enthusiast
91 LX
13.7@101
Join Date: Oct 2008
Location: Norwalk OH
Posts: 1,426
iTrader: 1 reviews
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yeah my uncle has a cobra kit car with a built 460 in it.....it is absolutely disgusting. also has spray hooked up on it but he has never used it
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